package com.example.demo.common;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //获取当前用户 session 信息
        HttpSession session = request.getSession();
        if(session != null && session.getAttribute(AppValue.SESSION_VALUE) != null) {
            return true;
        }
        return false;
    }
}
